198492791

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{971}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 251942400

約数和(自身を除く): 53449609

約数列:

[1, 7, 19, 29, 53, 133, 203, 371, 551, 971, 1007, 1537, 3857, 6797, 7049, 10759, 18449, 28159, 29203, 51463, 129143, 197113, 204421, 360241, 535021, 977797, 1492427, 3745147, 6844579, 10446989, 28356113, 198492791]

約数ペア:

[(1, 198492791), (7, 28356113), (19, 10446989), (29, 6844579), (53, 3745147), (133, 1492427), (203, 977797), (371, 535021), (551, 360241), (971, 204421), (1007, 197113), (1537, 129143), (3857, 51463), (6797, 29203), (7049, 28159), (10759, 18449)]